package com.lambo.maven.core.utils;

import java.util.Collection;
import java.util.Map;

/**
 * 断言用于验证参数.
 */
public abstract class AssertUtil {

    public static void isTrue(boolean expression, String message) {
        if (!expression) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isTrue(boolean expression) {
        isTrue(expression, "[Assertion failed] - this expression must be true");
    }

    public static void isNull(Object object, String message) {
        if (object != null) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isNull(Object object) {
        isNull(object, "[Assertion failed] - the object argument must be null");
    }

    public static void notNull(Object object, String message) {
        if (object == null) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notNull(Object object) {
        notNull(object, "[Assertion failed] - this argument is required; it must not be null");
    }

    public static void notBlank(String text, String message) {
        if (null == text || text.trim().isEmpty()) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notBlank(String str) {
        notBlank(str, "[Assertion failed] - this argument is required; it must not be null");
    }

    public static void hasLength(String text, String message) {
        if (null == text || text.length() == 0) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void hasLength(String text) {
        hasLength(text, "[Assertion failed] - this String argument must have length; it must not be null or empty");
    }

    public static void hasText(String text, String message) {
        if (null == text || text.trim().isEmpty()) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void hasText(String text) {
        hasText(text, "[Assertion failed] - this String argument must have text; it must not be null, empty, or blank");
    }

    public static void notEmpty(Object[] array, String message) {
        if (null == array || array.length == 0) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notEmpty(Object[] array) {
        notEmpty(array, "[Assertion failed] - this array must not be empty: it must contain at least 1 element");
    }

    public static void noNullElements(Object[] array, String message) {
        if (array != null) {
            for (Object element : array) {
                if (element == null) {
                    throw new IllegalArgumentException(message);
                }
            }
        }
    }

    public static void noNullElements(Object[] array) {
        noNullElements(array, "[Assertion failed] - this array must not contain any null elements");
    }

    public static void notEmpty(Collection<?> collection, String message) {
        if (null == collection || collection.isEmpty()) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notEmpty(Collection<?> collection) {
        notEmpty(collection, "[Assertion failed] - this collection must not be empty: it must contain at least 1 element");
    }

    public static void notEmpty(Map<?, ?> map, String message) {
        if (null == map || map.isEmpty()) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notEmpty(Map<?, ?> map) {
        notEmpty(map, "[Assertion failed] - this map must not be empty; it must contain at least one entry");
    }

    public static void isAssignable(Class<?> superType, Class<?> subType) {
        isAssignable(superType, subType, "");
    }

    public static void isAssignable(Class<?> superType, Class<?> subType, String message) {
        notNull(superType, "Type to check against must not be null");
        if (subType == null || !superType.isAssignableFrom(subType)) {
            throw new IllegalArgumentException(message + subType + " is not assignable to " + superType);
        }
    }
}
